./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/realloc1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/realloc1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac04f74b68086890b55eca7e645e90e8df8a67932fce57d15e9ba2378d355360 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:00:54,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:00:54,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 23:00:54,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:00:54,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:00:54,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:00:54,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:00:54,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:00:54,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:00:54,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:00:54,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:00:54,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:00:54,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:00:54,591 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:00:54,592 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:00:54,592 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:00:54,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:00:54,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:00:54,597 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:00:54,597 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:00:54,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:00:54,598 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:00:54,598 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:00:54,599 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:00:54,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:00:54,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:54,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:00:54,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:00:54,600 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:00:54,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:00:54,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac04f74b68086890b55eca7e645e90e8df8a67932fce57d15e9ba2378d355360 [2024-11-08 23:00:54,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:00:54,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:00:54,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:00:54,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:00:54,903 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:00:54,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/memsafety-ext3/realloc1.c Unable to find full path for "g++" [2024-11-08 23:00:56,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:00:57,143 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:00:57,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/sv-benchmarks/c/memsafety-ext3/realloc1.c [2024-11-08 23:00:57,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/data/208d21f35/580a76c5dc0d48cd80564ef12457762e/FLAG9ca2dabab [2024-11-08 23:00:57,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/data/208d21f35/580a76c5dc0d48cd80564ef12457762e [2024-11-08 23:00:57,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:00:57,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:00:57,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:57,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:00:57,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:00:57,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a14563b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57, skipping insertion in model container [2024-11-08 23:00:57,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,530 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:00:57,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:57,726 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:00:57,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:57,751 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:00:57,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57 WrapperNode [2024-11-08 23:00:57,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:57,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:57,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:00:57,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:00:57,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,779 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-08 23:00:57,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:57,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:00:57,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:00:57,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:00:57,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:00:57,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:00:57,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:00:57,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:00:57,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:57" (1/1) ... [2024-11-08 23:00:57,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:57,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:00:57,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:00:57,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:00:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:00:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:00:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:00:57,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:00:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:00:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:00:57,969 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:00:57,972 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:00:58,252 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-08 23:00:58,252 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:00:58,333 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:00:58,334 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:00:58,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:58 BoogieIcfgContainer [2024-11-08 23:00:58,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:00:58,335 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:00:58,336 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:00:58,347 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:00:58,347 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:58" (1/1) ... [2024-11-08 23:00:58,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:00:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-08 23:00:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-08 23:00:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:00:58,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:58,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:58,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:00:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-08 23:00:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-08 23:00:58,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:00:58,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:58,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:00:58,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-11-08 23:00:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-08 23:00:58,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:00:58,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:58,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:00:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:59,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-11-08 23:00:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-08 23:00:59,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:00:59,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:59,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:59,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:00:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:59,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-08 23:00:59,473 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-08 23:00:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:00:59,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:59,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:59,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:00:59,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:00:59,645 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:00:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:00:59,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:59,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:59,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:00,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:00,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2024-11-08 23:01:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2024-11-08 23:01:00,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:01:00,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:00,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:00,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:00,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:00,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2024-11-08 23:01:00,611 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2024-11-08 23:01:00,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:01:00,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:00,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:01:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2024-11-08 23:01:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2024-11-08 23:01:00,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:01:00,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:00,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:01,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2024-11-08 23:01:01,553 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-11-08 23:01:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:01:01,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:01,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:01:02,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:02,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2024-11-08 23:01:02,737 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2024-11-08 23:01:02,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:01:02,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:02,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:02,770 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:01:02,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2024-11-08 23:01:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2024-11-08 23:01:02,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:01:02,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:02,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:03,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:01:03,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:03,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2024-11-08 23:01:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2024-11-08 23:01:03,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:01:03,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:03,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:01:03,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:03,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2024-11-08 23:01:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2024-11-08 23:01:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:01:03,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:03,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:04,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:04,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2024-11-08 23:01:04,124 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2024-11-08 23:01:04,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:01:04,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:04,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:04,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:04,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2024-11-08 23:01:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2024-11-08 23:01:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:01:04,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:04,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:05,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:05,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2024-11-08 23:01:05,261 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2024-11-08 23:01:05,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:01:05,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:05,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:01:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:05,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2024-11-08 23:01:05,813 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2024-11-08 23:01:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:01:05,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:05,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:05,832 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:01:06,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:06,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2024-11-08 23:01:06,096 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2024-11-08 23:01:06,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:01:06,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:06,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:06,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:06,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2024-11-08 23:01:06,757 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2024-11-08 23:01:06,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:01:06,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:06,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:07,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 84 transitions. [2024-11-08 23:01:07,219 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2024-11-08 23:01:07,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:01:07,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:07,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:07,259 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:07,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2024-11-08 23:01:07,535 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2024-11-08 23:01:07,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:01:07,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:07,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:08,075 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:09,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2024-11-08 23:01:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2024-11-08 23:01:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:01:09,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:09,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:01:10,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:10,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2024-11-08 23:01:10,303 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2024-11-08 23:01:10,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:01:10,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:10,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:10,459 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:10,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2024-11-08 23:01:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2024-11-08 23:01:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:01:10,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:10,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-08 23:01:11,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:11,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-11-08 23:01:11,155 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-11-08 23:01:11,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:01:11,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:11,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:11,306 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:11,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2024-11-08 23:01:11,925 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2024-11-08 23:01:11,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:01:11,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:11,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:12,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-11-08 23:01:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-11-08 23:01:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:01:12,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:12,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:13,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2024-11-08 23:01:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2024-11-08 23:01:13,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:01:13,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:13,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2024-11-08 23:01:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2024-11-08 23:01:14,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:01:14,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:14,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 42 states and 41 transitions. [2024-11-08 23:01:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2024-11-08 23:01:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 23:01:15,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:15,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:15,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:01:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:15,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:01:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:15,558 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 31 iterations. [2024-11-08 23:01:15,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:01:15 ImpRootNode [2024-11-08 23:01:15,596 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:01:15,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:01:15,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:01:15,597 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:01:15,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:58" (3/4) ... [2024-11-08 23:01:15,599 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:01:15,685 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:01:15,686 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:01:15,687 INFO L158 Benchmark]: Toolchain (without parser) took 18187.54ms. Allocated memory was 148.9MB in the beginning and 222.3MB in the end (delta: 73.4MB). Free memory was 115.8MB in the beginning and 183.4MB in the end (delta: -67.6MB). Peak memory consumption was 131.6MB. Max. memory is 16.1GB. [2024-11-08 23:01:15,687 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 148.9MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:01:15,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.06ms. Allocated memory is still 148.9MB. Free memory was 115.8MB in the beginning and 104.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:01:15,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.28ms. Allocated memory is still 148.9MB. Free memory was 104.1MB in the beginning and 102.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:01:15,688 INFO L158 Benchmark]: Boogie Preprocessor took 23.18ms. Allocated memory is still 148.9MB. Free memory was 102.4MB in the beginning and 101.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:01:15,689 INFO L158 Benchmark]: RCFGBuilder took 530.74ms. Allocated memory is still 148.9MB. Free memory was 101.2MB in the beginning and 85.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:01:15,689 INFO L158 Benchmark]: CodeCheck took 17260.89ms. Allocated memory was 148.9MB in the beginning and 222.3MB in the end (delta: 73.4MB). Free memory was 84.8MB in the beginning and 62.9MB in the end (delta: 21.9MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. [2024-11-08 23:01:15,690 INFO L158 Benchmark]: Witness Printer took 89.23ms. Allocated memory is still 222.3MB. Free memory was 62.9MB in the beginning and 183.4MB in the end (delta: -120.5MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2024-11-08 23:01:15,692 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 19 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 17.2s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2421 SdHoareTripleChecker+Valid, 16.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2067 mSDsluCounter, 759 SdHoareTripleChecker+Invalid, 13.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 387 mSDsCounter, 1789 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6968 IncrementalHoareTripleChecker+Invalid, 8757 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1789 mSolverCounterUnsat, 372 mSDtfsCounter, 6968 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3355 GetRequests, 2923 SyntacticMatches, 204 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25732 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 471 NumberOfCodeBlocks, 471 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 1495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 14 PerfectInterpolantSequences, 130/606 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L8] char* p = malloc(10 * sizeof(int)); [L10] int i = 0; VAL [i=0, p={7781:0}] [L10] COND FALSE !(i < 10) VAL [i=0, p={7781:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=1, p={7781:0}] [L10] COND FALSE !(i < 10) VAL [i=1, p={7781:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=2, p={7781:0}] [L10] COND FALSE !(i < 10) VAL [i=2, p={7781:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=3, p={7781:0}] [L10] COND FALSE !(i < 10) VAL [i=3, p={7781:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=4, p={7781:0}] [L10] COND FALSE !(i < 10) VAL [i=4, p={7781:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=5, p={7781:0}] [L10] COND FALSE !(i < 10) VAL [i=5, p={7781:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=6, p={7781:0}] [L10] COND FALSE !(i < 10) VAL [i=6, p={7781:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=7, p={7781:0}] [L10] COND FALSE !(i < 10) VAL [i=7, p={7781:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=8, p={7781:0}] [L10] COND FALSE !(i < 10) VAL [i=8, p={7781:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=9, p={7781:0}] [L10] COND FALSE !(i < 10) VAL [i=9, p={7781:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=10, p={7781:0}] [L10] COND TRUE i < 10 VAL [p={7781:0}] [L14] free(p) VAL [p={7781:0}] [L14] free(p) VAL [p={7781:0}] [L14] free(p) [L16] p[2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 148.9MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.06ms. Allocated memory is still 148.9MB. Free memory was 115.8MB in the beginning and 104.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.28ms. Allocated memory is still 148.9MB. Free memory was 104.1MB in the beginning and 102.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.18ms. Allocated memory is still 148.9MB. Free memory was 102.4MB in the beginning and 101.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 530.74ms. Allocated memory is still 148.9MB. Free memory was 101.2MB in the beginning and 85.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 17260.89ms. Allocated memory was 148.9MB in the beginning and 222.3MB in the end (delta: 73.4MB). Free memory was 84.8MB in the beginning and 62.9MB in the end (delta: 21.9MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. * Witness Printer took 89.23ms. Allocated memory is still 222.3MB. Free memory was 62.9MB in the beginning and 183.4MB in the end (delta: -120.5MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:01:15,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249b34e8-372f-44f5-b0ce-d57fa842c5d5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)